{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "A chronic reaction associated with long - term treatment with nitrofurantoin has also been reported and causes irreversible pulmonary fibrosis ."}
{"adverse effect": [{"subject": "pulmonary fibrosis", "object": "nitrofurantoin"}]}